Light is an important part of life on Earth and life in space. This backgrounder explains what light is, how it is measured, and how it affects us both mentally and physically.

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Did you know that rainbows are actually beautiful optical illusions? We see them thanks to the reflection and refraction of light.

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From highlighters to reflective road signs, fluorescence is all around you. But some of the most exciting uses of fluorescence are in medicine and biomedical research.

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One of the most amazing facts in physics is that everything in the universe, from light to electrons to atoms, behaves like both a particle and a wave at the same time. But how did physicists arrive at this mind-boggling conclusion? Learn how in this video. (4:51 min.)

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Look, up in the sky, it's a particle! It's a wave! Actually it's both. It's light! In this video learn about wave-particle duality and the photoelectric effect.(3:55 min.)

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From sunburns to skin cancer, there are many ways the sun’s rays can hurt you. Understanding how sunscreen works can help you protect yourself properly.

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Your smartphone, tablet and other devices emit large quantities of blue light wavelengths. This tells your body "wake up!" when you should be getting ready to sleep. (2:50 min.)

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Searching for extraterrestrial life often means listening for radio waves coming from deep space. And if you’re interested, you can even help scientists sift through the data!

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How can we learn about the galaxies beyond our own? It all begins with light - the kind we see and the kind we can’t. (4:45 min.)

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Go to any paint store or nail-polish shelf and you’ll see a dozen or so variations of the color black. Even inside a crayon box, there are a lot of shades. But what is the blackest black out there? (3:22 min.)

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In this winning entry for the 2014 Flame Challenge Physics Girl explains the mystery of color. How we see colour is very complicated and involves wavelength, reflection, signals and perception (3:50 min.)

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Have you ever wondered why water is clear in a glass but blue in our lakes and swimming pools? It's all about the spectrum of light! We break it down. (2:50 min.)

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CurioCity resources which align with the British Columbia Physics 11 content area on Waves and Optics

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CurioCity resources which align with the British Columbia Physics 11 content area Quantum

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